MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca
SHA3-384 hash: e8c4bc25dc2e7bd5a53731b28ea354521681a37a6b1657b7209fc8d453ff850bcca4966e1f178ce81eee89c4517e2659
SHA1 hash: e54afe2309b85c943d4429cc2cd78277694e21df
MD5 hash: e232ae04bd8ab1d02efaf753e7284794
humanhash: bulldog-hydrogen-carbon-low
File name:AWB# 728590890733.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:662'528 bytes
First seen:2023-06-05 13:41:54 UTC
Last seen:2023-06-05 14:01:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:o3tPplTY6RhKuwFzqvQ63++1DgX0L7K0xvcGgf1Bs3qXtbh:o3JTDEfFUQ6uyi0PvcRfT
Threatray 3'124 similar samples on MalwareBazaar
TLSH T1F5E42334AB8D134BC8CF6B75046026B9472A604B7837D71B2ECA728FAF2471D5754B2B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
252
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
AWB# 728590890733.exe
Verdict:
Malicious activity
Analysis date:
2023-06-05 13:45:17 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/a4d38d59-6ab5-4d26-b655-969f87c52944

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/395798/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.67196760.21756.27113.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/647de62c50bdec85bb058589/reports/bdf0ca87-4ac7-4acf-a8a0-74ad235df1af/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/388aab0c-7abb-498e-9a9c-53f07a2530a7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1248795
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 881811 Sample: AWB#_728590890733.exe Startdate: 05/06/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 AWB#_728590890733.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\AWB#_728590890733.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 AWB#_728590890733.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 www.iseedifferent.com 45.200.219.111, 49702, 80 Africa-on-Cloud-ASZA Seychelles 17->30 32 www.lazarnejad.com 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-05-24 07:00:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5fl3k7oxaznomfrvn2vsstmypkc54y5vz7ovzxcpp6tdbq2cspfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0daf37a7f327ddc858e1c6c4a02974012fb9434de66256402c8091561ae16fd4
Formbook
1a7cb176a2a06673ab935e620b6931eb7d2ffc2af157ae9cfbedb6b7f3bde072
Formbook
34834d278c8c71e3cc9d152c073cc444781465c285648630a1be19afab1abd24
Formbook
5291498ba10bc71f5bb08fe5c67d085c24008589c09c6c28faf4dbf222ef5a3a
Formbook
6c3de47dade4aecab32720941195ae5fd0c275f66358c05cb01162fc8c0189b3
Formbook
79f878be696492904510496633fcdc7458f7b2e2efb373f7d097b2276a708e51
Formbook
abbf85558290e3fa302f88f51243e5216f24c9bc4fce64a0f616db3be2c46e8e
Formbook
c918d1ae4c1635db9333c72fa06a6b04afa4a2ab37f494cd24c5e3fbc6963ead
Formbook
e8f271e2c00c7310ba76f5be24f425df7b4c3fdd84a0b715906a10da4f7e879b
Formbook
e9c78b2128b2954b72c71bbea4d0d64c2be08cbad2d2806033845a657494eb91
Formbook
+ 3'114 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cs94 rat spyware stealer trojan
Link:
https://tria.ge/reports/230605-qznf7she2t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
df1fd4d5ad36ef13bf308c96c10f218fba65f3b07fa0f685c9400e554a16e964
MD5 hash:
8a8b0eec2d0d029bf9d3ec5a1be0cfb6
SHA1 hash:
5ecb66557a224421e5208e5bb6f7c7723acade0d
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4fc9179a-64ac-465e-84e4-f41d01b945e3/
Parent samples :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 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/4fc9179a-64ac-465e-84e4-f41d01b945e3/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
cd589f04e813b6258b10af975850806f58d22b10094cf7ef5c0bf1d25826ebc0
MD5 hash:
88081038818333e5428003e1a1242c95
SHA1 hash:
834992362390c73e0643f94c13d02cdcb0d2fc35
Link:
https://www.unpac.me/results/4fc9179a-64ac-465e-84e4-f41d01b945e3/
SH256 hash:
3ecf73ea0424e954912b873723cc7a4e40fb55d633c39a5f4bbea126d973b969
MD5 hash:
ed43b45bedee082444155ee4ebd290f6
SHA1 hash:
7ef8abf8c41d6fc92cadb80420e28063fb5aaefd
Link:
https://www.unpac.me/results/4fc9179a-64ac-465e-84e4-f41d01b945e3/
SH256 hash:
a518e0fddabae1e59f933566cb54e592331404d5362976f3ef81a1432dac4ffb
MD5 hash:
de906fce89f615f303ddfb80c1b37b35
SHA1 hash:
3568e3f9f0731da9a3294f4f8de61f95dc3eec31
Link:
https://www.unpac.me/results/4fc9179a-64ac-465e-84e4-f41d01b945e3/
SH256 hash:
e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca
MD5 hash:
e232ae04bd8ab1d02efaf753e7284794
SHA1 hash:
e54afe2309b85c943d4429cc2cd78277694e21df
Link:
https://www.unpac.me/results/4fc9179a-64ac-465e-84e4-f41d01b945e3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e957b57dd706/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar b9292c32a3fffc597f686208dbc048acd8e462ba07d109e421fd8944f50e39e8

Formbook

Executable exe e957b57dd7065ae616356eab294d987a85de63b5cfdd5cdc4f7fa630c34293ca

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 b9292c32a3fffc597f686208dbc048acd8e462ba07d109e421fd8944f50e39e8
Cape
Cape
https://www.capesandbox.com/analysis/395798/
  
Dropped by
MD5 0bea1957cd7f4beb701341f50279eeb7

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